Linux-audio-dev

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7515 discussions

Linux Audio Conference #6 (LAC2008): Reminder: Call for Installations ends tonight!

by Martin Rumori

Dear all, we would like to remind you that the submission deadline for installation proposals for the exhibition at Linux Audio Conference 2008, 28.2.-2.3.2008 at Cologne, ends tonight. Please find the full call for installations below and on the web at http://lac.linuxaudio.org This site also contains all the other calls, which remain open until 1st of december. On behalf of the LAC2008 organisation team, sincerely, Frank Barknecht and Martin Rumori

18 years

Develop a virtual sound card driver.

by Luis Agustín Nieto

Hello Everyone, We wish to undertake a new project for college (we are students of Computer Science at University of Buenos Aires) and the idea is to develop a virtual sound card driver which is capable of capturing the sound output generated by any standard Linux application, in order to do something with these data (for example dumping them to a file). We are not sure about which level this driver should be implemented at. We would like to avoid, when possible, any low level or hardware related dealing. One approach that we've been considering is to write something at the same level of ALSA or OSS (i.e. with the same API), which somehow could be registered in the system and made available to the "client" app's as another selectable sound system. We are a little confused about the Linux's sound architecture and would like to have some starting point to begin dealing with this project. We would appreciate any help. Thanks in advance.

18 years

Q 7.8 released

by Albert Graef

Hi all, I've just released Q 7.8 which sports some important bugfixes and some nice new features. The most important addition probably is that Q now has a complete Qt interface. You can find the sources and a ready-made RPM for Linux (which contains almost everything surrounding Q, including the interfaces to Faust, MidiShare, Pd and SuperCollider and the multimedia examples) on the Q download page: http://q-lang.sourceforge.net/download.html For those of you who haven't heard about Q yet: It is a GPLed, modern-style functional programming language with good library support for multimedia and computer music applications. (Somewhat like Haskell, but interpreted and dynamically typed, and with much better system and multimedia libraries.) More information about Q can be found on the Q website at: http://q-lang.sourceforge.net Enjoy. :) Albert -- Dr. Albert Gr"af Dept. of Music-Informatics, University of Mainz, Germany Email: Dr.Graef(a)t-online.de, ag(a)muwiinfa.geschichte.uni-mainz.de WWW: http://www.musikinformatik.uni-mainz.de/ag

18 years

Re: [LAD] Harmonizer effects

by Hernán Ordiales

> Lately I've been eyeballing some fancy $600 harmonizer rack units at > $music_store. (http://www.tc-helicon.com/VoiceWorks, for example) Not > wanting to drop that much cash, I got to looking for some software > effects that can do the same, without any luck. > > Does anyone know if such a thing exists? Is it possible, or is it too > CPU intensive? If the latter is true, I was pondering some sort of FPGA > on PCI device for number crunching. I could think of a fun thing or two > to do with it. Has anyone ever done some similar work? hi, you have an offline harmonizer in SMSTools [1] if you want something realtime, by chance recently i was working in that as part of a google summer of code project[2] it's a network under CLAM's NetworkEditor[1] more details (and demos) here: http://audiores.uint8.com.ar/blog/?p=124 regrettably, there still there some artifacts that came from the pitch-shifting process but i hope that issue could be solved soon all those changes are now only at the svn version but i think that will be a new clam release soon cheers, [1] http://clam.iua.upf.edu/ [2] http://h.ordia.com.ar/blog/GSoC2007.php -- Hernán http://h.ordia.com.ar GnuPG: 0xEE8A3FE9

18 years

Harmonizer effects

by Phil Frost

Lately I've been eyeballing some fancy $600 harmonizer rack units at $music_store. (http://www.tc-helicon.com/VoiceWorks, for example) Not wanting to drop that much cash, I got to looking for some software effects that can do the same, without any luck. Does anyone know if such a thing exists? Is it possible, or is it too CPU intensive? If the latter is true, I was pondering some sort of FPGA on PCI device for number crunching. I could think of a fun thing or two to do with it. Has anyone ever done some similar work?

18 years

test message - please ignore

by Robin Gareus

hello world, again.

18 years

Re: [LAD] [OT] bash vs disk activity

by Sampo Savolainen

Quoting Patrick Shirkey <pshirkey(a)boosthardware.com>: > For example if I transfer 200mb to a usb disk the copy command takes > about 30 seconds before it returns and the data takes about 5 minutes > before it is actually finished being transferred and the device is > unmountable. quick-hack(tm) (cp -a /xxx /usb_device && sync) & But remember sync flushes _everything_. Sampo

18 years

Re: [LAD] VroomBox

by Juhana Sadeharju

Does it at all need impulse response convolver as suggested...? How about just tracking the engine pitch and having a sampler to do the sound? LinuxSampler for fine details. The device may be illegal in Europe. Juhana -- http://music.columbia.edu/mailman/listinfo/linux-graphics-dev for developers of open source graphics software

18 years

maintenance @ linuxaudio.org

by Robin Gareus

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hooray, To provide better performance and reliability linuxaudio.org is replacing old hardware and upgrading the network bandwidth ! Scheduled server maintenance - Fri Oct 12 2007. The servers will be down for a short time around 18.00 CEST, 12pm EST or 9am PST. The HTTP services will resume almost immediately (reboot). but the mailing lists might be off-line for up to 3 hours. During this time the list server will not accept incoming messages and will not distribute messages. Any messages sent to the lists should be queued by the sending mail servers and will be accepted once the new list server is brought into service. #robin, for the linuxaudio.org team -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHDjxieVUk8U+VK0IRAobPAJ9OgEje2zELBE5Bug1Y3f6gTJgD1QCfQx+I Q/5QoxJoq63BEcg4rP64uzY= =5saU -----END PGP SIGNATURE-----

18 years

VroomBox

by Juhana Sadeharju

Is this patented? I could not find. http://www.vroombox.com/vroombox/ I don't know details of them, but I come up with the idea some years ago --- as to exists as an open source, free Linux software, naturally. I even mailed to Blaupunkt and asked if it is ok to send them suggestions. Because I received no reply, I did not send anything to them about my invention. Juhana

18 years

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Linux-audio-dev